Definición de morphogen en inglés:

sustantivo

The Hedgehog proteins are secreted morphogens that provide positional information during the development of many multi-cellular animals.

He suggested that biological forms mirror patterns in the concentrations of hypothetical chemicals called morphogens.

For example, many morphogens - molecules that direct cells to grow and differentiate during embryogenesis - are not water - soluble, so biologists know little about how they spread out during early development.